<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>生命周期函数</title>
		<script type="text/javascript" src="js/vue.js" ></script>
	</head>
	<body>
		<div id="root"></div>
		<script>
			//生命周期函数就是vue实例在某一个时间点自动执行的函数
			var vm = new Vue({
				el: "#root",
				data: {
					test: "hello"
				},
				template: "<div>{{test}}</div>",
				beforeCreate: function() {
					console.log("beforeCreate");
				},
				created: function() {
					console.log("created");
				},
				beforeMount: function() {
					console.log(this.$el);
					console.log("beforeMount");
				},
				mounted: function() {
					console.log(this.$el);
					console.log("mounted");
				},
				beforeDestroy: function() {
					console.log("beforeDestroy");
				},
				destroyed: function() {
					console.log("destroyed");
				},
				beforeUpdate: function() {
					console.log("beforeUpdate");
				},
				updated: function() {
					console.log("updated");
				}
			})
		</script>
	</body>
</html>
